$427+ Cheap flights from Sofia (SOF) to Boston (BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — BOS
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Sofia to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sofia to Boston
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Cheapest flights from Sofia to BostonExplore the most affordable flight options available from Sofia to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Sofia to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:45 pm -
2 stops27h 10m
Tue 10/135:25 pm -
2 stops25h 10m
Deal found 9/16![Multiple Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops28h 40m
Sun 11/86:55 pm -
1 stop14h 05m
Deal found 9/18![Multiple Airlines logo]()
$747
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops29h 10m
Tue 11/105:15 pm -
1 stop13h 40m
Deal found 9/17![Multiple Airlines logo]()
$748
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:40 am -
2 stops35h 05m
Tue 11/105:15 pm -
1 stop13h 40m
Deal found 9/20![Multiple Airlines logo]()
$749
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops29h 10m
Mon 11/95:15 pm -
1 stop13h 25m
Deal found 9/17![Multiple Airlines logo]()
$753
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:00 am -
2 stops35h 45m
Tue 11/105:15 pm -
1 stop13h 40m
Deal found 9/18![Multiple Airlines logo]()
$754
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:40 am -
2 stops35h 05m
Wed 11/119:20 pm -
1 stop18h 15m
Deal found 9/20![Multiple Airlines logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops29h 10m
Wed 11/119:20 pm -
1 stop18h 15m
Deal found 9/17![Multiple Airlines logo]()
$759
This Gotogate deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:25 pm -
1 stop32h 25m
Thu 10/155:10 pm -
1 stop11h 30m
Deal found 9/18![Austrian Airlines logo]()
$760
Best flights from Sofia to BostonDiscover carefully curated flight deals from Sofia to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Sofia to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This British Airways deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:45 pm -
2 stops30h 21m
Tue 11/109:30 pm -
1 stop15h 40m
Deal found 9/17![British Airways logo]()
$785
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:20 am -
1 stop20h 50m
Fri 10/238:05 pm -
1 stop20h 10m
Deal found 9/18![United Airlines logo]()
$798
This Lufthansa deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:30 am -
1 stop16h 10m
Mon 2/152:16 pm -
2 stops15h 59m
Deal found 9/15![Lufthansa logo]()
$802
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:45 pm -
2 stops41h 22m
Mon 11/25:30 pm -
2 stops43h 40m
Deal found 9/16![British Airways logo]()
$786
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:20 am -
1 stop20h 50m
Sun 10/188:05 pm -
1 stop15h 35m
Deal found 9/20![United Airlines logo]()
$798
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:25 am -
1 stop14h 20m
Mon 11/98:40 pm -
1 stop19h 15m
Deal found 9/20![United Airlines logo]()
$798
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:25 am -
1 stop14h 20m
Wed 3/318:05 pm -
1 stop19h 55m
Deal found 9/19![United Airlines logo]()
$798
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:10 pm -
1 stop13h 00m
Thu 10/158:05 am -
2 stops21h 05m
Deal found 9/17![United Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:25 am -
1 stop14h 20m
Wed 11/117:20 am -
2 stops22h 55m
Deal found 9/17![United Airlines logo]()
$801
Last-minute flights from Sofia to BostonDiscover last-minute flight deals from Sofia to Boston. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Sofia to Boston. Data last updated September 20, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:25 pm -
1 stop32h 25m
Thu 10/155:10 pm -
1 stop11h 30m
Deal found 9/18![Austrian Airlines logo]()
$760
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:45 pm -
2 stops27h 10m
Tue 10/135:25 pm -
2 stops25h 10m
Deal found 9/16![Multiple Airlines logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops28h 40m
Sun 11/86:55 pm -
1 stop14h 05m
Deal found 9/18![Multiple Airlines logo]()
$747
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops29h 10m
Tue 11/105:15 pm -
1 stop13h 40m
Deal found 9/17![Multiple Airlines logo]()
$748
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops29h 10m
Mon 11/95:15 pm -
1 stop13h 25m
Deal found 9/17![Multiple Airlines logo]()
$753
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 pm -
2 stops29h 10m
Wed 11/119:20 pm -
1 stop18h 15m
Deal found 9/17![Multiple Airlines logo]()
$759
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:00 am -
2 stops35h 45m
Tue 11/105:15 pm -
1 stop13h 40m
Deal found 9/18![Multiple Airlines logo]()
$754
One-way flights from Sofia to BostonSearch for one-way flight options from Sofia to Boston. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Sofia to Boston. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:25 pm -
2 stops28h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/286:05 am -
2 stops21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:45 pm -
3 stops26h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:40 pm -
2 stops24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:55 pm -
3 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$489
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:25 am -
1 stop19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:45 pm -
3 stops32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$507
Find flight deals from Sofia to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $673 (Mytrip) |
One-way from | $427 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $804 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sofia to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 20, 2026.
Use the filters below to find and compare flights from Sofia to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Tue 10/20
11:45 pm-6:50 pm
3 stops26h 05m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$450
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Thu 10/22
6:45 pm-8:20 pm
3 stops56h 35m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$495
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Thu 1/28
10:55 am-8:00 pm
1 stop16h 05m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$497
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Fri 10/23
6:45 pm-8:20 pm
3 stops32h 35m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$507
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Fri 10/9
12:25 pm-9:45 pm
2 stops16h 20m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$597
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Sat 9/26
3:10 pm-9:45 pm
3 stops37h 35m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$669
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Sat 10/3
5:45 am-7:50 pm
2 stops21h 05m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$730
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Wed 10/21
9:25 pm-8:05 pm
1 stop29h 40m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$736
Quickest round-trip
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Fri 10/23
2:15 pm-8:05 pm
1 stop12h 50m
Boston Logan Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$736
SofiaBoston
SOF Sofia - BOS Boston Logan Intl
SOFBOS
Sofia
Sun 11/1
7:45 pm-7:06 pm
2 stops30h 21m
Boston Logan Intl
Tue 11/10
9:30 pm-8:10 pm
1 stop15h 40m
$785
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Sofia to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to Boston in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sofia-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sofia-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sofia to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Sofia with our price prediction graph.
SOF-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sofia to Boston
How far ahead should I book a flight from Sofia to Boston?
The price you pay for your flight from Sofia to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Sofia to Boston?
Currently, January is the cheapest month in which you can book a flight from Sofia to Boston (average of $680). Flying from Sofia to Boston in May is currently the most expensive (average of $970). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Sofia to Boston?
Airfare is below average for this route at the moment.
Sofia to Boston flights typically cost between $732 and $882 in October.The cheapest round-trip price found within the last 5 days was $673 on Multiple Airlines (Oct 6-Oct 13).
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated September 20, 2026.
Read reviews from past customers who have flown KLM,Austrian Airlines, andTurkish Airlines from Sofia to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Crew
8.4
Comfort
7.7
Overall
7.8
Entertainment
7.2
Food
7.3
Boarding
7.8
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Sofia to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
Browse thousands of different options on Cheapflights for your next trip
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Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 20, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Sofia to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sofia and Boston flights
Browse other Sofia and Boston flight options. Last updated on September 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Sofia to Boston
Discover the top 6 airlines that operate flights from Sofia to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$590 | Average$797 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$647 | Average$792 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$649 | Average$790 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$667 | Average$804 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$682 | Average$833 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$703 | Average$751 | FlexibilityNo cancel fee | On-time77% |